78468211526872 has 8 divisors (see below), whose sum is σ = 147127896612900. Its totient is φ = 39234105763432.

The previous prime is 78468211526857. The next prime is 78468211526879. The reversal of 78468211526872 is 27862511286487.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×78468211526872³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78468211526798 and 78468211526807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78468211526879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4904263220422 + ... + 4904263220437.

Almost surely, 2^{78468211526872} is an apocalyptic number.

It is an amenable number.

78468211526872 is a deficient number, since it is larger than the sum of its proper divisors (68659685086028).

78468211526872 is a wasteful number, since it uses less digits than its factorization.

78468211526872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9808526440865 (or 9808526440861 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 67.

The spelling of 78468211526872 in words is "seventy-eight trillion, four hundred sixty-eight billion, two hundred eleven million, five hundred twenty-six thousand, eight hundred seventy-two".